test: fix typo in test/parallel/test-icu-punycode.js

coverter => converter

PR-URL: #34934
Reviewed-By: Shingo Inoue <leko.noor@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
Reviewed-By: Ricky Zhou <0x19951125@gmail.com>

test/parallel/test-icu-punycode.js

@@ -11,9 +11,9 @@ const assert = require('assert');
 
 // Test hasConverter method
 assert(icu.hasConverter('utf-8'),
-       'hasConverter should report coverter exists for utf-8');
+       'hasConverter should report converter exists for utf-8');
 assert(!icu.hasConverter('x'),
-       'hasConverter should report coverter does not exist for x');
+       'hasConverter should report converter does not exist for x');
 
 const tests = require('../fixtures/url-idna.js');
 const fixtures = require('../common/fixtures');